At the current time you are able to answer 22 mathematics questions in 20 minutes. ![]() You are practicing for your TEAS examination. How much more can you spend at the grocery store to keep your grocery budget less than $125.00 per week?Īnswer: You have to put less than $38.50 worth of groceries in the basket to keep your grocery budget less than $125.00 per week. At the moment, you have $86.50 worth of groceries in your basket. As you are shopping for groceries, you are adding up all of the individual items you have put in your basket. You are trying to keep your grocery budget less than $125.00 per week. 789 y ), less than (), less than ( $97.50Īnswer: In this example, you will have to save more than $81.50 in order to have more than $97.50.Instead, inequalities are expressed with greater than (>), less than ( 44 Examples of EquationsĪn inequality is a mathematical or arithmetic phrase that is not equal this inequality prohibits the equal sign. The two expressions on either side of the equal sign are equal and equivalent. Examples of ExpressionsĪn equation is a mathematical or arithmetic phrase that indicates the equality of two expressions separated with an equal (=) sign. ∞ is a number greater than every real number.Īn expression is a series of mathematical or arithmetic symbols, numbers and/or variables that are grouped in a meaningful manner to have a value. The golden ratio is an irrational number equal to (1+√5)/2 or approximately 1.6180339887. If A≅B then shape A is congruent to shape B (has the same measurements) |x| is the distance along the real line (or across the complex plane) between x and zero If A is true, B is true and if A is false, B is false. X=3⇒x 2=9, but x 2=9⇒x=3 is false, because x could also be -3. The equation 3±√9 has two solutions, 0 and 6.ĪB means that if A is true, B must also be true, but if A is false, B is unknown. ![]() If x≠y, x and y do not represent the same value or thing. If x≡y, x is defined as another name of y If x=y, x and y represent the same value or thing.
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